║⊕QUESTION⊕║
↑CLASS 11↓
≡LINEAR INEQUALITIES≡
A manufacturer has 400 liters of a 12 % solution of acid. How many liters of a 30 % acid solution must be added to it so that acid content in the resulting mixture will be more than 1 % but less than 18 %?
Answers
Answered by
4
Let's "x" liters of 35% acid solution is required to be added
Then
Total mixture = (x + 600) liters.
Therefore ,
_______________________________
AND
______________________________
so
____________________[ANSWER]
Thus, the no. of liters of the 30% solutions of acid will have to be more than 120 liters but less then 300 liters.
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Answered by
1
let's "x" litres of 35%acid solution is required to be added
then,
total mixture,
and,
so,
---------------------------------------------
ANSWER:-
thus the number of litres of the 30% solutions of acid will have to be more than
120 litres but less than 300 liters
---------------------------------------------
Attachments:
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